/Engine/Source/Editor/VREditor/Public/VREditorMode.h
Checks to see if the specified interactor is aiming roughly toward the specified capsule
bool IsHandAimingTowardsCapsule ( class [UViewportInteractor](API\Editor\ViewportInteraction\UViewportInteractor) * Interactor, const FTransform & CapsuleTransform, const FVector CapsuleStart, const FVector CapsuleEnd, const float CapsuleRadius, const float MinDistanceToCapsule, const FVector CapsuleFrontDirection, const float MinDotForAimingAtCapsule ) const